Har Ki Doon Trek Itinerary (6–8 Days) Day 1: Dehradun → Sankri (Drive 200 km) Drive through pine forests and small towns. Stay overnight in Sankri. Day 2: Sankri → Taluka → Seema Moderate trek through forests and rivers. Camp in scenic meadows. Day 3: Seema → Osla → Har Ki Doon Base Trek through dense forests, cross streams. Overnight camping near Osla. Day... https://www.thinairexpedition.com/har-ki-dun-trek/